Bicycle



FIG. 1 is a side elevation view of a bicycle showing my new design itbeing understood that the opposite side is a mirror image thereof;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

The ornamental design for a bicycle, as shown and described.